Crystal structure of akuammicine, an indole alkaloid from Catharanthus roseus
The title compound, C20H22N2O2, an alkaloid isolated from the Madagascar periwinkle, crystallizes in P1 with two independent but closely similar molecules in the unit cell. The molecules are linked into pairs by two N—H...O=C hydrogen bonds. The absolute configuration was confirmed by anomalous dispersion effects as S at the 3 and 15 positions, and R at the 7 position.
Document Type: Research Article
Affiliations: 1: Institut für Pflanzenbiologie, Technische Universität Braunschweig, Mendelssohnstrasse 4, 38106 Braunschweig, Germany 2: Institut für Lebensmittelchemie, Technische Universität Braunschweig, Schleinitzstrasse 20, 38106 Braunschweig, Germany 3: Institut für Anorganische und Analytische Chemie, Technische Universität Braunschweig, Hagenring 30, 38106 Braunschweig, Germany
Publication date: 01 January 2017
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